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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(1,2,3); function byvalue($arg) { $arg[0] = 10; } byvalue($arr); var_dump($arr); // no change call_user_func_array('byvalue', array(&$arr)); var_dump($arr); // no change
based on bvJtH
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.3.29
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(3) { [0]=> int(10) [1]=> int(2) [2]=> int(3) }
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/iGe67 on line 9
Process exited with code 255.